Spiders (Araneae)
Orb-weaving spiders (several families)
Sighting 4244066

Backobourkia sp. (genus)

An orb weaver at Cook, ACT

Backobourkia sp. (genus) at Cook, ACT - 4 Dec 2019
Backobourkia sp. (genus) at Cook, ACT - 4 Dec 2019
Backobourkia sp. (genus) at Cook, ACT - 4 Dec 2019
Backobourkia sp. (genus) at Cook, ACT - 4 Dec 2019
Backobourkia sp. (genus) at Cook, ACT - 4 Dec 2019
Backobourkia sp. (genus) at Cook, ACT - 4 Dec 2019
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Identification history

Backobourkia sp. (genus) 6 Aug 2021 MichaelMulvaney
Backobourkia sp. (genus) 5 Dec 2019 YumiCallaway
Hortophora sp. (genus) 5 Dec 2019 CathB

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User's notes

The Celaenia calotoides that produced these egg sacs and is seen in sighting 4243063 has now disappeared, perhaps falling prey to this spider.

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Nearby sightings

Page 3 of 3 - image sightings only

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Camponotus nigriceps (Black-headed sugar ant) at Cook, ACT - 4 Dec 2019 by CathB

Camponotus nigriceps

CathB
Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 22 Nov 2019 by CathB

Celaenia calotoides

CathB
Cynosurus echinatus (Rough Dog's Tail Grass) at Cook, ACT - 22 Nov 2019 by CathB

Cynosurus echinatus

CathB
Festuca arundinacea (Tall Fescue) at Cook, ACT - 11 Nov 2019 by CathB

Festuca arundinacea

CathB
Lolium perenne (Perennial Ryegrass) at Cook, ACT - 11 Nov 2019 by CathB

Lolium perenne

CathB
Lomandra filiformis subsp. filiformis (Wattle Matrush) at Cook, ACT - 6 Nov 2019 by CathB

Lomandra filiformis subsp. filiformis

CathB
Apolinus lividigaster (Yellow Shouldered Ladybird) at Cook, ACT - 20 Sep 2019 by CathB

Apolinus lividigaster

CathB
Cicadellidae (family) (Unidentified leafhopper) at Cook, ACT - 21 Aug 2019 by CathB

Cicadellidae (family)

CathB
Monomorium sp. (genus) (A Monomorium ant) at Cook, ACT - 22 Jun 2019 by CathB

Monomorium sp. (genus)

CathB
Pheidole sp. (genus) (Seed-harvesting ant) at Cook, ACT - 3 May 2019 by CathB

Pheidole sp. (genus)

CathB
Brunotartessus fulvus (Yellow-headed Leafhopper) at Cook, ACT - 1 May 2019 by CathB

Brunotartessus fulvus

CathB
Polyrhachis ornata (Ornate spiny ant) at Cook, ACT - 20 Apr 2019 by CathB

Polyrhachis ornata

CathB
Myrmecia piliventris (Golden tail bull ant) at Cook, ACT - 18 Apr 2019 by CathB

Myrmecia piliventris

CathB
Lemidia accincta (Clerid beetle) at Cook, ACT - 16 Apr 2019 by CathB

Lemidia accincta

CathB
Mutillidae (family) (Unidentified Mutillid wasp or velvet ant) at Cook, ACT - 16 Apr 2019 by CathB

Mutillidae (family)

CathB
Polyrhachis ornata (Ornate spiny ant) at Mount Painter - 15 Apr 2019 by CathB

Polyrhachis ornata

CathB
Sphallomorpha sp. (genus) (Unidentified Sphallomorpha ground beetle) at Cook, ACT - 9 Mar 2019 by CathB

Sphallomorpha sp. (genus)

CathB
Nymphes myrmeleonoides (Blue eyes lacewing) at Cook, ACT - 4 Feb 2019 by CathB

Nymphes myrmeleonoides

CathB
Euphorbia dallachyana (Mat Spurge, Caustic Weed) at Cook, ACT - 4 Feb 2019 by CathB

Euphorbia dallachyana

CathB
Araneinae (subfamily) (Orb weaver) at Cook, ACT - 27 Jan 2019 by CathB

Araneinae (subfamily)

CathB
Myrmecia simillima (A Bull Ant) at Cook, ACT - 26 Jan 2019 by CathB

Myrmecia simillima

CathB
Panicum effusum (Hairy Panic Grass) at Cook, ACT - 21 Jan 2019 by CathB

Panicum effusum

CathB
Adoxia benallae (Leaf beetle) at Cook, ACT - 21 Jan 2019 by CathB

Adoxia benallae

CathB
Amphibromus sp. (Swamp Wallaby Grass) at Cook, ACT - 21 Jan 2019 by CathB

Amphibromus sp.

CathB
Vittadinia cuneata var. cuneata (Fuzzy New Holland Daisy) at Cook, ACT - 17 Jan 2019 by CathB

Vittadinia cuneata var. cuneata

CathB
Pergidae sp. (family) (Unidentified Sawfly) at Cook, ACT - 12 Jan 2019 by CathB

Pergidae sp. (family)

CathB
Carex appressa (Tall Sedge) at Cook, ACT - 31 Dec 2018 by CathB

Carex appressa

CathB
Sorghum leiocladum (Wild Sorghum) at Cook, ACT - 31 Dec 2018 by CathB

Sorghum leiocladum

CathB
Helpis minitabunda (Threatening jumping spider) at Cook, ACT - 30 Nov 2018 by CathB

Helpis minitabunda

CathB
Dicranolaius villosus (Melyrid flower beetle) at Cook, ACT - 25 Nov 2018 by CathB

Dicranolaius villosus

CathB
Faveria tritalis (Couchgrass Webworm) at Cook, ACT - 12 Nov 2018 by CathB

Faveria tritalis

CathB
Gonipterus sp. (genus) (Eucalyptus Weevil) at Cook, ACT - 2 Jul 2018 by CathB

Gonipterus sp. (genus)

CathB
Deliochus sp. (genus) (A leaf curling spider) at Cook, ACT - 2 Jul 2018 by CathB

Deliochus sp. (genus)

CathB
Platybrachys sp. (genus) (A gum hopper) at Cook, ACT - 25 Mar 2018 by CathB

Platybrachys sp. (genus)

CathB
Cyperus eragrostis (Umbrella Sedge) at Cook, ACT - 25 Mar 2018 by CathB

Cyperus eragrostis

CathB
Pycnobraconoides sp. (genus) (A Braconid wasp) at Cook, ACT - 24 Mar 2018 by CathB

Pycnobraconoides sp. (genus)

CathB
Cebysa leucotelus (Australian Bagmoth) at Cook, ACT - 24 Mar 2018 by CathB

Cebysa leucotelus

CathB
Servaea sp. (genus) (Unidentified Servaea jumping spider) at Cook, ACT - 24 Mar 2018 by CathB

Servaea sp. (genus)

CathB
Lauxaniidae (family) (Unidentified lauxaniid fly) at Cook, ACT - 24 Mar 2018 by CathB

Lauxaniidae (family)

CathB
Euryopis splendens (Splendid tick spider) at Cook, ACT - 24 Mar 2018 by CathB

Euryopis splendens

CathB
Dasygnathus sp. (genus) (Rhinoceros beetle) at Cook, ACT - 7 Mar 2018 by CathB

Dasygnathus sp. (genus)

CathB
Formicidae (family) (Unidentified ant) at Cook, ACT - 3 Feb 2018 by CathB

Formicidae (family)

CathB
Argiope trifasciata (Banded orb weaver) at Cook, ACT - 1 Feb 2018 by CathB

Argiope trifasciata

CathB
Diptera (order) (Fly - Unidentified) at Cook, ACT - 1 Feb 2018 by CathB

Diptera (order)

CathB
Ephemeroptera (order) (Unidentified Mayfly) at Cook, ACT - 31 Jan 2018 by CathB

Ephemeroptera (order)

CathB
Runcinia acuminata (Pointy Crab Spider) at Cook, ACT - 31 Jan 2018 by CathB

Runcinia acuminata

CathB
Centipeda cunninghamii (Common Sneezeweed) at Cook, ACT - 31 Jan 2018 by CathB

Centipeda cunninghamii

CathB
Uraba lugens (Gumleaf Skeletonizer) at Cook, ACT - 30 Jan 2018 by CathB

Uraba lugens

CathB
Gonipterus sp. (genus) (Eucalyptus Weevil) at Cook, ACT - 30 Jan 2018 by CathB

Gonipterus sp. (genus)

CathB
Alternanthera denticulata (Lesser Joyweed) at Cook, ACT - 30 Jan 2018 by CathB

Alternanthera denticulata

CathB
Eleocharis acuta (Common Spike-rush) at Cook, ACT - 30 Jan 2018 by CathB

Eleocharis acuta

CathB
Persicaria lapathifolia (Pale Knotweed) at Cook, ACT - 2 Jan 2018 by CathB

Persicaria lapathifolia

CathB
Chrysocephalum semipapposum (Clustered Everlasting) at Cook, ACT - 21 Nov 2017 by CathB

Chrysocephalum semipapposum

CathB
Billardiera scandens (Hairy Apple Berry) at Cook, ACT - 21 Nov 2017 by CathB

Billardiera scandens

CathB
Acaena echinata (Sheeps Burr) at Cook, ACT - 1 Nov 2017 by CathB

Acaena echinata

CathB
Runcinia acuminata (Pointy Crab Spider) at Cook, ACT - 29 Oct 2017 by CathB

Runcinia acuminata

CathB
Lasioglossum (Chilalictus) sp. (genus & subgenus) (Halictid bee) at Cook, ACT - 29 Oct 2017 by CathB

Lasioglossum (Chilalictus) sp. (genus & subgenus)

CathB
Glyphipterix chrysoplanetis (A Sedge Moth) at Cook, ACT - 29 Oct 2017 by CathB

Glyphipterix chrysoplanetis

CathB
Psyllidae sp. (family) (Unidentified psyllid or lerp insect) at Cook, ACT - 29 Oct 2017 by CathB

Psyllidae sp. (family)

CathB
Homotrysis cisteloides (Darkling beetle) at Cook, ACT - 27 Oct 2017 by CathB

Homotrysis cisteloides

CathB
Chrysocephalum apiculatum (Common Everlasting) at Cook, ACT - 25 Oct 2017 by CathB

Chrysocephalum apiculatum

CathB
Belenois java (Caper White) at Cook, ACT - 5 Nov 2016 by EmilyS

Belenois java

EmilyS
Eryngium ovinum (Blue Devil) at Cook, ACT - 21 Dec 2015 by CathB

Eryngium ovinum

CathB
Azolla pinnata (Ferny Azolla) at Cook, ACT - 5 May 2012 by CathB

Azolla pinnata

CathB
Camponotus nigriceps (Black-headed sugar ant) at Cook, ACT - 4 Dec 2019 by CathB
Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 22 Nov 2019 by CathB
Cynosurus echinatus (Rough Dog's Tail Grass) at Cook, ACT - 22 Nov 2019 by CathB
Festuca arundinacea (Tall Fescue) at Cook, ACT - 11 Nov 2019 by CathB
Lolium perenne (Perennial Ryegrass) at Cook, ACT - 11 Nov 2019 by CathB
Lomandra filiformis subsp. filiformis (Wattle Matrush) at Cook, ACT - 6 Nov 2019 by CathB
Apolinus lividigaster (Yellow Shouldered Ladybird) at Cook, ACT - 20 Sep 2019 by CathB
Cicadellidae (family) (Unidentified leafhopper) at Cook, ACT - 21 Aug 2019 by CathB
Monomorium sp. (genus) (A Monomorium ant) at Cook, ACT - 22 Jun 2019 by CathB
Pheidole sp. (genus) (Seed-harvesting ant) at Cook, ACT - 3 May 2019 by CathB
Brunotartessus fulvus (Yellow-headed Leafhopper) at Cook, ACT - 1 May 2019 by CathB
Polyrhachis ornata (Ornate spiny ant) at Cook, ACT - 20 Apr 2019 by CathB
Myrmecia piliventris (Golden tail bull ant) at Cook, ACT - 18 Apr 2019 by CathB
Lemidia accincta (Clerid beetle) at Cook, ACT - 16 Apr 2019 by CathB
Mutillidae (family) (Unidentified Mutillid wasp or velvet ant) at Cook, ACT - 16 Apr 2019 by CathB
Polyrhachis ornata (Ornate spiny ant) at Mount Painter - 15 Apr 2019 by CathB
Sphallomorpha sp. (genus) (Unidentified Sphallomorpha ground beetle) at Cook, ACT - 9 Mar 2019 by CathB
Nymphes myrmeleonoides (Blue eyes lacewing) at Cook, ACT - 4 Feb 2019 by CathB
Euphorbia dallachyana (Mat Spurge, Caustic Weed) at Cook, ACT - 4 Feb 2019 by CathB
Araneinae (subfamily) (Orb weaver) at Cook, ACT - 27 Jan 2019 by CathB
Myrmecia simillima (A Bull Ant) at Cook, ACT - 26 Jan 2019 by CathB
Panicum effusum (Hairy Panic Grass) at Cook, ACT - 21 Jan 2019 by CathB
Adoxia benallae (Leaf beetle) at Cook, ACT - 21 Jan 2019 by CathB
Amphibromus sp. (Swamp Wallaby Grass) at Cook, ACT - 21 Jan 2019 by CathB
Vittadinia cuneata var. cuneata (Fuzzy New Holland Daisy) at Cook, ACT - 17 Jan 2019 by CathB
Pergidae sp. (family) (Unidentified Sawfly) at Cook, ACT - 12 Jan 2019 by CathB
Carex appressa (Tall Sedge) at Cook, ACT - 31 Dec 2018 by CathB
Sorghum leiocladum (Wild Sorghum) at Cook, ACT - 31 Dec 2018 by CathB
Helpis minitabunda (Threatening jumping spider) at Cook, ACT - 30 Nov 2018 by CathB
Dicranolaius villosus (Melyrid flower beetle) at Cook, ACT - 25 Nov 2018 by CathB
Faveria tritalis (Couchgrass Webworm) at Cook, ACT - 12 Nov 2018 by CathB
Gonipterus sp. (genus) (Eucalyptus Weevil) at Cook, ACT - 2 Jul 2018 by CathB
Deliochus sp. (genus) (A leaf curling spider) at Cook, ACT - 2 Jul 2018 by CathB
Platybrachys sp. (genus) (A gum hopper) at Cook, ACT - 25 Mar 2018 by CathB
Cyperus eragrostis (Umbrella Sedge) at Cook, ACT - 25 Mar 2018 by CathB
Pycnobraconoides sp. (genus) (A Braconid wasp) at Cook, ACT - 24 Mar 2018 by CathB
Cebysa leucotelus (Australian Bagmoth) at Cook, ACT - 24 Mar 2018 by CathB
Servaea sp. (genus) (Unidentified Servaea jumping spider) at Cook, ACT - 24 Mar 2018 by CathB
Lauxaniidae (family) (Unidentified lauxaniid fly) at Cook, ACT - 24 Mar 2018 by CathB
Euryopis splendens (Splendid tick spider) at Cook, ACT - 24 Mar 2018 by CathB
Dasygnathus sp. (genus) (Rhinoceros beetle) at Cook, ACT - 7 Mar 2018 by CathB
Formicidae (family) (Unidentified ant) at Cook, ACT - 3 Feb 2018 by CathB
Argiope trifasciata (Banded orb weaver) at Cook, ACT - 1 Feb 2018 by CathB
Diptera (order) (Fly - Unidentified) at Cook, ACT - 1 Feb 2018 by CathB
Ephemeroptera (order) (Unidentified Mayfly) at Cook, ACT - 31 Jan 2018 by CathB
Runcinia acuminata (Pointy Crab Spider) at Cook, ACT - 31 Jan 2018 by CathB
Centipeda cunninghamii (Common Sneezeweed) at Cook, ACT - 31 Jan 2018 by CathB
Uraba lugens (Gumleaf Skeletonizer) at Cook, ACT - 30 Jan 2018 by CathB
Gonipterus sp. (genus) (Eucalyptus Weevil) at Cook, ACT - 30 Jan 2018 by CathB
Alternanthera denticulata (Lesser Joyweed) at Cook, ACT - 30 Jan 2018 by CathB
Eleocharis acuta (Common Spike-rush) at Cook, ACT - 30 Jan 2018 by CathB
Persicaria lapathifolia (Pale Knotweed) at Cook, ACT - 2 Jan 2018 by CathB
Chrysocephalum semipapposum (Clustered Everlasting) at Cook, ACT - 21 Nov 2017 by CathB
Billardiera scandens (Hairy Apple Berry) at Cook, ACT - 21 Nov 2017 by CathB
Acaena echinata (Sheeps Burr) at Cook, ACT - 1 Nov 2017 by CathB
Runcinia acuminata (Pointy Crab Spider) at Cook, ACT - 29 Oct 2017 by CathB
Lasioglossum (Chilalictus) sp. (genus & subgenus) (Halictid bee) at Cook, ACT - 29 Oct 2017 by CathB
Glyphipterix chrysoplanetis (A Sedge Moth) at Cook, ACT - 29 Oct 2017 by CathB
Psyllidae sp. (family) (Unidentified psyllid or lerp insect) at Cook, ACT - 29 Oct 2017 by CathB
Homotrysis cisteloides (Darkling beetle) at Cook, ACT - 27 Oct 2017 by CathB
Chrysocephalum apiculatum (Common Everlasting) at Cook, ACT - 25 Oct 2017 by CathB
Belenois java (Caper White) at Cook, ACT - 5 Nov 2016 by EmilyS
Eryngium ovinum (Blue Devil) at Cook, ACT - 21 Dec 2015 by CathB
Azolla pinnata (Ferny Azolla) at Cook, ACT - 5 May 2012 by CathB

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Location information

Sighting information

  • 1 - 3 Abundance
  • 4 Dec 2019 05:47 PM Recorded on
  • CathB Recorded by

Additional information

  • 12mm to 25mm Animal size

Species information

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
2,154,184 sightings of 19,955 species in 6,498 locations from 11,452 contributors
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